/* $Id$ */
//-------------------------------------------------------------------------
-// AOD track base class
+// AOD track implementation of AliVTrack
// Author: Markus Oldenburg, CERN
//-------------------------------------------------------------------------
#include <TRef.h>
+#include <TBits.h>
-#include "AliVirtualParticle.h"
+#include "AliVTrack.h"
#include "AliAODVertex.h"
+#include "AliAODRedCov.h"
+#include "AliAODPid.h"
+
+
+class AliVVertex;
-class AliAODTrack : public AliVirtualParticle {
+class AliAODTrack : public AliVTrack {
public:
- enum AODTrk_t {kUndef=-1, kPrimary, kSecondary, kOrphan};
+ enum AODTrk_t {kUndef = -1,
+ kPrimary,
+ kSecondary,
+ kOrphan};
enum AODTrkBits_t {
- kIsDCA=BIT(14) // set if fPosition is the DCA and not the position of the first point
+ kIsDCA=BIT(14), // set if fPosition is the DCA and not the position of the first point
+ kUsedForVtxFit=BIT(15), // set if this track was used to fit the vertex it is attached to
+ kUsedForPrimVtxFit=BIT(16) // set if this track was used to fit the primary vertex
};
enum AODTrkPID_t {
- kUnknown=0, kElectron, kMuon, kPion, kProton, kDeuton, kTriton, kAlpha, kOther};
+ kElectron = 0,
+ kMuon = 1,
+ kPion = 2,
+ kKaon = 3,
+ kProton = 4,
+ kDeuteron = 5,
+ kTriton = 6,
+ kHelium3 = 7,
+ kAlpha = 8,
+ kUnknown = 9,
+ kMostProbable = -1
+ };
AliAODTrack();
- AliAODTrack(Int_t id,
+ AliAODTrack(Short_t id,
Int_t label,
Double_t p[3],
Bool_t cartesian,
UChar_t itsClusMap,
Double_t pid[10],
AliAODVertex *prodVertex,
- AODTrk_t ttype=kUndef);
+ Bool_t usedForVtxFit,
+ Bool_t usedForPrimVtxFit,
+ AODTrk_t ttype=kUndef,
+ UInt_t selectInfo=0,
+ Float_t chi2perNDF = -999.);
- AliAODTrack(Int_t id,
+ AliAODTrack(Short_t id,
Int_t label,
Float_t p[3],
Bool_t cartesian,
UChar_t itsClusMap,
Float_t pid[10],
AliAODVertex *prodVertex,
- AODTrk_t ttype=kUndef);
+ Bool_t usedForVtxFit,
+ Bool_t usedForPrimVtxFit,
+ AODTrk_t ttype=kUndef,
+ UInt_t selectInfo=0,
+ Float_t chi2perNDF = -999.);
virtual ~AliAODTrack();
AliAODTrack(const AliAODTrack& trk);
AliAODTrack& operator=(const AliAODTrack& trk);
// kinematics
- virtual Double_t OneOverPt() const { return fMomentum[0]; }
+ virtual Double_t OneOverPt() const { return (fMomentum[0] != 0.) ? 1./fMomentum[0] : -999.; }
virtual Double_t Phi() const { return fMomentum[1]; }
virtual Double_t Theta() const { return fMomentum[2]; }
- virtual Double_t Px() const { return TMath::Cos(fMomentum[1])/fMomentum[0]; }
- virtual Double_t Py() const { return TMath::Sin(fMomentum[1])/fMomentum[0]; }
- virtual Double_t Pz() const { return 1./(fMomentum[0] * TMath::Tan(fMomentum[2])); }
- virtual Double_t Pt() const { return 1./fMomentum[0]; }
+ virtual Double_t Px() const { return fMomentum[0] * TMath::Cos(fMomentum[1]); }
+ virtual Double_t Py() const { return fMomentum[0] * TMath::Sin(fMomentum[1]); }
+ virtual Double_t Pz() const { return fMomentum[0] / TMath::Tan(fMomentum[2]); }
+ virtual Double_t Pt() const { return fMomentum[0]; }
virtual Double_t P() const { return TMath::Sqrt(Pt()*Pt()+Pz()*Pz()); }
+ virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
- Double_t Chi2() const { return fChi2; }
+ virtual Double_t Xv() const { return GetProdVertex() ? GetProdVertex()->GetX() : -999.; }
+ virtual Double_t Yv() const { return GetProdVertex() ? GetProdVertex()->GetY() : -999.; }
+ virtual Double_t Zv() const { return GetProdVertex() ? GetProdVertex()->GetZ() : -999.; }
+ virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; }
- virtual Double_t E() const { return -999.; }
- // make a connection to the PID object, here!!!
- virtual Double_t M() const { return -999.; }
+ Double_t Chi2perNDF() const { return fChi2perNDF; }
+ UShort_t GetTPCNcls() const { return fTPCClusterMap.CountBits();}
+
+ virtual Double_t M() const { return M(GetMostProbablePID()); }
+ Double_t M(AODTrkPID_t pid) const;
+ virtual Double_t E() const { return E(GetMostProbablePID()); }
+ Double_t E(AODTrkPID_t pid) const;
+ Double_t E(Double_t m) const { return TMath::Sqrt(P()*P() + m*m); }
+ virtual Double_t Y() const { return Y(GetMostProbablePID()); }
+ Double_t Y(AODTrkPID_t pid) const;
+ Double_t Y(Double_t m) const;
virtual Double_t Eta() const { return -TMath::Log(TMath::Tan(0.5 * fMomentum[2])); }
- // make a connection to the PID object, here!!!
- virtual Double_t Y() const { return -999.; }
virtual Short_t Charge() const {return fCharge; }
+ virtual Bool_t PropagateToDCA(const AliVVertex *vtx,
+ Double_t b, Double_t maxd, Double_t dz[2], Double_t covar[3]);
+
// PID
virtual const Double_t *PID() const { return fPID; }
+ AODTrkPID_t GetMostProbablePID() const;
+ void ConvertAliPIDtoAODPID();
+ void SetDetPID(AliAODPid *aodpid) {fDetPid = aodpid;}
template <class T> void GetPID(T *pid) const {
for(Int_t i=0; i<10; ++i) pid[i]=fPID[i];}
template <class T> void SetPID(const T *pid) {
if(pid) for(Int_t i=0; i<10; ++i) fPID[i]=pid[i];
- else {for(Int_t i=1; i<10; fPID[i++]=0); fPID[0]=1.;}}
+ else {for(Int_t i=0; i<10; fPID[i++]=0.) ; fPID[AliAODTrack::kUnknown]=1.;}}
- Int_t GetID() const { return fID; }
- Int_t GetLabel() const { return fLabel; }
- Char_t GetType() const { return fType;}
+ Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
+ ULong_t GetStatus() const { return GetFlags(); }
+ ULong_t GetFlags() const { return fFlags; }
+
+ Int_t GetID() const { return (Int_t)fID; }
+ Int_t GetLabel() const { return fLabel; }
+ Char_t GetType() const { return fType;}
+ Bool_t IsPrimaryCandidate() const;
+ Bool_t GetUsedForVtxFit() const { return TestBit(kUsedForVtxFit); }
+ Bool_t GetUsedForPrimVtxFit() const { return TestBit(kUsedForPrimVtxFit); }
template <class T> void GetP(T *p) const {
p[0]=fMomentum[0]; p[1]=fMomentum[1]; p[2]=fMomentum[2];}
- template <class T> void GetPxPyPz(T *p) const {
- p[0] = Px(); p[1] = Py(); p[2] = Pz();}
+// template <class T> void GetPxPyPz(T *p) const {
+// p[0] = Px(); p[1] = Py(); p[2] = Pz();}
+ Bool_t GetPxPyPz(Double_t *p) const;
template <class T> Bool_t GetPosition(T *x) const {
x[0]=fPosition[0]; x[1]=fPosition[1]; x[2]=fPosition[2];
return TestBit(kIsDCA);}
template <class T> void SetCovMatrix(const T *covMatrix) {
- if(!fCovMatrix) fCovMatrix=new AliAODTrkCov();
+ if(!fCovMatrix) fCovMatrix=new AliAODRedCov<6>();
fCovMatrix->SetCovMatrix(covMatrix);}
template <class T> Bool_t GetCovMatrix(T *covMatrix) const {
if(!fCovMatrix) return kFALSE;
fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
- void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
+ Bool_t GetXYZ(Double_t *p) const {
+ return GetPosition(p); }
- UChar_t GetITSClusterMap() const { return fITSClusterMap; }
+ Bool_t GetCovarianceXYZPxPyPz(Double_t cv[21]) const {
+ return GetCovMatrix(cv);}
+
+ void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
+ Double_t XAtDCA() const { return fPositionAtDCA[0]; }
+ Double_t YAtDCA() const { return fPositionAtDCA[1]; }
+ Double_t ZAtDCA() const {
+ if (IsMuonTrack()) return fPosition[2];
+ else if (TestBit(kIsDCA)) return fPosition[1];
+ else return -999.; }
+ Bool_t XYZAtDCA(Double_t x[3]) const { x[0] = XAtDCA(); x[1] = YAtDCA(); x[2] = ZAtDCA(); return kTRUE; }
+
+ Double_t DCA() const {
+ if (IsMuonTrack()) return TMath::Sqrt(XAtDCA()*XAtDCA() + YAtDCA()*YAtDCA());
+ else if (TestBit(kIsDCA)) return fPosition[0];
+ else return -999.; }
+
+ Double_t PxAtDCA() const { return fMomentumAtDCA[0]; }
+ Double_t PyAtDCA() const { return fMomentumAtDCA[1]; }
+ Double_t PzAtDCA() const { return fMomentumAtDCA[2]; }
+ Double_t PAtDCA() const { return TMath::Sqrt(PxAtDCA()*PxAtDCA() + PyAtDCA()*PyAtDCA() + PzAtDCA()*PzAtDCA()); }
+ Bool_t PxPyPzAtDCA(Double_t p[3]) const { p[0] = PxAtDCA(); p[1] = PyAtDCA(); p[2] = PzAtDCA(); return kTRUE; }
+
+ Double_t GetRAtAbsorberEnd() const { return fRAtAbsorberEnd; }
+
+ UChar_t GetITSClusterMap() const { return (UChar_t)(fITSMuonClusterMap&0xff); }
+ Int_t GetITSNcls() const;
+ Bool_t HasPointOnITSLayer(Int_t i) const { return TESTBIT(GetITSClusterMap(),i); }
+ UShort_t GetHitsPatternInTrigCh() const { return (UShort_t)((fITSMuonClusterMap&0xff00)>>8); }
+ UInt_t GetMUONClusterMap() const { return (fITSMuonClusterMap&0x3ff0000)>>16; }
+ UInt_t GetITSMUONClusterMap() const { return fITSMuonClusterMap; }
+
+ Bool_t TestFilterBit(UInt_t filterBit) const {return (Bool_t) ((filterBit & fFilterMap) != 0);}
+ Bool_t TestFilterMask(UInt_t filterMask) const {return (Bool_t) ((filterMask & fFilterMap) == filterMask);}
+ void SetFilterMap(UInt_t i){fFilterMap = i;}
+ UInt_t GetFilterMap(){return fFilterMap;}
+
+ const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
+ const TBits& GetTPCSharedMap() const {return fTPCSharedMap;}
+ void SetTPCClusterMap(const TBits amap) {fTPCClusterMap = amap;}
+ void SetTPCSharedMap(const TBits amap) {fTPCSharedMap = amap;}
+
+ AliAODPid *GetDetPid() const { return fDetPid; }
AliAODVertex *GetProdVertex() const { return (AliAODVertex*)fProdVertex.GetObject(); }
// print
void Print(const Option_t *opt = "") const;
// setters
- void SetID(const Int_t id) { fID = id; }
- void SetLabel(const Int_t label) {fLabel = label; }
+ void SetFlags(ULong_t flags) { fFlags = flags; }
+ void SetStatus(ULong_t flags) { fFlags|=flags; }
+ void ResetStatus(ULong_t flags) { fFlags&=~flags; }
- template <class T> void SetPosition(const T *x, const Bool_t isDCA = kFALSE);
- void SetDCA(Double_t d, Double_t z);
+ void SetID(Short_t id) { fID = id; }
+ void SetLabel(Int_t label) { fLabel = label; }
- void SetOneOverPt(const Double_t oneOverPt) { fMomentum[0] = oneOverPt; }
- void SetPt(const Double_t pt) { fMomentum[0] = 1./pt; };
- void SetPhi(const Double_t phi) { fMomentum[1] = phi; }
- void SetTheta(const Double_t theta) { fMomentum[2] = theta; }
- template <class T> void SetP(const T *p, const Bool_t cartesian = kTRUE);
+ template <class T> void SetPosition(const T *x, Bool_t isDCA = kFALSE);
+ void SetDCA(Double_t d, Double_t z);
+ void SetUsedForVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForVtxFit) : ResetBit(kUsedForVtxFit); }
+ void SetUsedForPrimVtxFit(Bool_t used = kTRUE) { used ? SetBit(kUsedForPrimVtxFit) : ResetBit(kUsedForPrimVtxFit); }
+
+ void SetOneOverPt(Double_t oneOverPt) { fMomentum[0] = 1. / oneOverPt; }
+ void SetPt(Double_t pt) { fMomentum[0] = pt; };
+ void SetPhi(Double_t phi) { fMomentum[1] = phi; }
+ void SetTheta(Double_t theta) { fMomentum[2] = theta; }
+ template <class T> void SetP(const T *p, Bool_t cartesian = kTRUE);
void SetP() {fMomentum[0]=fMomentum[1]=fMomentum[2]=-999.;}
- void SetCharge(const Short_t q) { fCharge = q; }
- void SetChi2(const Double_t chi2) { fChi2 = chi2; }
-
- void SetITSClusterMap(const UChar_t itsClusMap) { fITSClusterMap = itsClusMap; }
-
- void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
-
- // name and title
- void SetType(AODTrk_t ttype) { fType=ttype; }
-
-
- class AliAODTrkCov {
-
- //
- // Class containing the covariance matrix for the track
- //
- // X Y Z Px Py Pz
- //
- // X fDiag[ 0]
- //
- // Y fOdia[ 0] fDiag[ 1]
- //
- // Z fOdia[ 1] fOdia[ 2] fDiag[ 2]
- //
- // Px fOdia[ 3] fOdia[ 4] fOdia[ 5] fDiag[ 3]
- //
- // Py fOdia[ 6] fOdia[ 7] fOdia[ 8] fOdia[ 9] fDiag[ 4]
- //
- // Pz fOdia[10] fOdia[11] fOdia[12] fOdia[13] fOdia[14] fDiag[ 5]
- //
-
- public:
- AliAODTrkCov() {}
- virtual ~AliAODTrkCov() {}
- template <class T> void GetCovMatrix(T *cmat) const;
- template <class T> void SetCovMatrix(T *cmat);
+ void SetXYAtDCA(Double_t x, Double_t y) {fPositionAtDCA[0] = x; fPositionAtDCA[1] = y;}
+ void SetPxPyPzAtDCA(Double_t pX, Double_t pY, Double_t pZ) {fMomentumAtDCA[0] = pX; fMomentumAtDCA[1] = pY; fMomentumAtDCA[2] = pZ;}
+
+ void SetRAtAbsorberEnd(Double_t r) { fRAtAbsorberEnd = r; }
+
+ void SetCharge(Short_t q) { fCharge = q; }
+ void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; }
+
+ void SetITSClusterMap(UChar_t itsClusMap) { fITSMuonClusterMap = (fITSMuonClusterMap&0xffffff00)|(((UInt_t)itsClusMap)&0xff); }
+ void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) { fITSMuonClusterMap = (fITSMuonClusterMap&0xffff00ff)|((((UInt_t)hitsPatternInTrigCh)&0xff)<<8); }
+ void SetMuonClusterMap(UInt_t muonClusMap) { fITSMuonClusterMap = (fITSMuonClusterMap&0xfc00ffff)|((muonClusMap&0x3ff)<<16); }
+ void SetITSMuonClusterMap(UInt_t itsMuonClusMap) { fITSMuonClusterMap = itsMuonClusMap; }
+
+ Int_t GetMatchTrigger() const {return fITSMuonClusterMap>>30;}
+ // 0 Muon track does not match trigger
+ // 1 Muon track match but does not pass pt cut
+ // 2 Muon track match Low pt cut
+ // 3 Muon track match High pt cut
+ void SetMatchTrigger(Int_t MatchTrigger);
+ Bool_t MatchTrigger() const { return (GetMatchTrigger()>0); } // Muon track matches trigger track
+ Bool_t MatchTriggerLowPt() const { return (GetMatchTrigger()>1); } // Muon track matches trigger track and passes Low pt cut
+ Bool_t MatchTriggerHighPt() const { return (GetMatchTrigger()>2); } // Muon track matches trigger track and passes High pt cut
+ Bool_t MatchTriggerDigits() const; // Muon track matches trigger digits
+ Double_t GetChi2MatchTrigger() const { return fChi2MatchTrigger;}
+ void SetChi2MatchTrigger(Double_t Chi2MatchTrigger) {fChi2MatchTrigger = Chi2MatchTrigger; }
+ Bool_t HitsMuonChamber(Int_t MuonChamber, Int_t cathode = -1) const; // Check if track hits Muon chambers
+ Bool_t IsMuonTrack() const { return (GetMUONClusterMap()>0) ? kTRUE : kFALSE; }
+
+ void Connected(Bool_t flag) {flag ? SETBIT(fITSMuonClusterMap,26) : CLRBIT(fITSMuonClusterMap,26);}
+ Bool_t IsConnected() const {return TESTBIT(fITSMuonClusterMap,26);}
- private:
- Double32_t fDiag[6]; // Diagonal elements
- Double32_t fODia[15]; // [-1, 1,8] 8 bit precision for off diagonal elements
+ void SetProdVertex(TObject *vertex) { fProdVertex = vertex; }
+ void SetType(AODTrk_t ttype) { fType=ttype; }
- ClassDef(AliAODTrack::AliAODTrkCov,1)
- };
+ // Dummy
+ Int_t PdgCode() const {return 0;}
+
private :
// Momentum & position
- Double32_t fMomentum[3]; // momemtum stored in 1/pt, phi, theta
- Double32_t fPosition[3]; // position of first point on track or dca
-
- Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
- Double32_t fChi2; // chi2 of mometum fit
+ Double32_t fMomentum[3]; // momemtum stored in pt, phi, theta
+ Double32_t fPosition[3]; // position of first point on track or dca
+
+ Double32_t fMomentumAtDCA[3]; // momentum (px,py,pz) at DCA
+ Double32_t fPositionAtDCA[2]; // trasverse position (x,y) at DCA
+
+ Double32_t fRAtAbsorberEnd; // transverse position r at the end of the muon absorber
+
+ Double32_t fChi2perNDF; // chi2/NDF of momentum fit
+ Double32_t fChi2MatchTrigger; // chi2 of trigger/track matching
+ Double32_t fPID[10]; // [0.,1.,8] pointer to PID object
- Int_t fID; // unique track ID, points back to the ESD track
- Int_t fLabel; // track label, points back to MC track
+ ULong_t fFlags; // reconstruction status flags
+ Int_t fLabel; // track label, points back to MC track
- AliAODTrkCov *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
- TRef fProdVertex; // vertex of origin
+ UInt_t fITSMuonClusterMap; // map of ITS and muon clusters, one bit per layer
+ // (ITS: bit 1-8, muon trigger: bit 9-16, muon tracker: bit 17-26, muon match trigger: bit 31-32)
+ UInt_t fFilterMap; // filter information, one bit per set of cuts
+
+ TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
+ TBits fTPCSharedMap; // Map of clusters, one bit per padrow; 1 if has a shared cluster on given padrow
- Char_t fCharge; // particle charge
- UChar_t fITSClusterMap; // map of ITS cluster, one bit per layer
- UChar_t fType; // Track Type
+ Short_t fID; // unique track ID, points back to the ESD track
+ Char_t fCharge; // particle charge
+ Char_t fType; // Track Type
+
+ AliAODRedCov<6> *fCovMatrix; // covariance matrix (x, y, z, px, py, pz)
+ AliAODPid *fDetPid; // more detailed or detector specific pid information
+ TRef fProdVertex; // vertex of origin
- ClassDef(AliAODTrack,1);
+ ClassDef(AliAODTrack, 11);
};
+inline Bool_t AliAODTrack::IsPrimaryCandidate() const
+{
+ // True of track passes primary particle selection (independent of type)
+ //
+ if (fFilterMap) {
+ return kTRUE;
+ } else {
+ return kFALSE;
+ }
+}
+
+inline Int_t AliAODTrack::GetITSNcls() const
+{
+ // Number of points in ITS
+ Int_t n=0;
+ for(Int_t i=0;i<6;i++) if(HasPointOnITSLayer(i)) n++;
+ return n;
+}
+
#endif